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-rw-r--r--fs/cifs/connect.c639
1 files changed, 347 insertions, 292 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index d9566bf8f917..2208f06e4c45 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -102,6 +102,7 @@ struct smb_vol {
bool sockopt_tcp_nodelay:1;
unsigned short int port;
char *prepath;
+ struct nls_table *local_nls;
};
static int ipv4_connect(struct TCP_Server_Info *server);
@@ -135,7 +136,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
spin_unlock(&GlobalMid_Lock);
server->maxBuf = 0;
- cFYI(1, ("Reconnecting tcp session"));
+ cFYI(1, "Reconnecting tcp session");
/* before reconnecting the tcp session, mark the smb session (uid)
and the tid bad so they are not used until reconnected */
@@ -153,12 +154,12 @@ cifs_reconnect(struct TCP_Server_Info *server)
/* do not want to be sending data on a socket we are freeing */
mutex_lock(&server->srv_mutex);
if (server->ssocket) {
- cFYI(1, ("State: 0x%x Flags: 0x%lx", server->ssocket->state,
- server->ssocket->flags));
+ cFYI(1, "State: 0x%x Flags: 0x%lx", server->ssocket->state,
+ server->ssocket->flags);
kernel_sock_shutdown(server->ssocket, SHUT_WR);
- cFYI(1, ("Post shutdown state: 0x%x Flags: 0x%lx",
+ cFYI(1, "Post shutdown state: 0x%x Flags: 0x%lx",
server->ssocket->state,
- server->ssocket->flags));
+ server->ssocket->flags);
sock_release(server->ssocket);
server->ssocket = NULL;
}
@@ -187,7 +188,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
else
rc = ipv4_connect(server);
if (rc) {
- cFYI(1, ("reconnect error %d", rc));
+ cFYI(1, "reconnect error %d", rc);
msleep(3000);
} else {
atomic_inc(&tcpSesReconnectCount);
@@ -223,7 +224,7 @@ static int check2ndT2(struct smb_hdr *pSMB, unsigned int maxBufSize)
/* check for plausible wct, bcc and t2 data and parm sizes */
/* check for parm and data offset going beyond end of smb */
if (pSMB->WordCount != 10) { /* coalesce_t2 depends on this */
- cFYI(1, ("invalid transact2 word count"));
+ cFYI(1, "invalid transact2 word count");
return -EINVAL;
}
@@ -237,15 +238,15 @@ static int check2ndT2(struct smb_hdr *pSMB, unsigned int maxBufSize)
if (remaining == 0)
return 0;
else if (remaining < 0) {
- cFYI(1, ("total data %d smaller than data in frame %d",
- total_data_size, data_in_this_rsp));
+ cFYI(1, "total data %d smaller than data in frame %d",
+ total_data_size, data_in_this_rsp);
return -EINVAL;
} else {
- cFYI(1, ("missing %d bytes from transact2, check next response",
- remaining));
+ cFYI(1, "missing %d bytes from transact2, check next response",
+ remaining);
if (total_data_size > maxBufSize) {
- cERROR(1, ("TotalDataSize %d is over maximum buffer %d",
- total_data_size, maxBufSize));
+ cERROR(1, "TotalDataSize %d is over maximum buffer %d",
+ total_data_size, maxBufSize);
return -EINVAL;
}
return remaining;
@@ -267,7 +268,7 @@ static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB)
total_data_size = le16_to_cpu(pSMBt->t2_rsp.TotalDataCount);
if (total_data_size != le16_to_cpu(pSMB2->t2_rsp.TotalDataCount)) {
- cFYI(1, ("total data size of primary and secondary t2 differ"));
+ cFYI(1, "total data size of primary and secondary t2 differ");
}
total_in_buf = le16_to_cpu(pSMBt->t2_rsp.DataCount);
@@ -282,7 +283,7 @@ static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB)
total_in_buf2 = le16_to_cpu(pSMB2->t2_rsp.DataCount);
if (remaining < total_in_buf2) {
- cFYI(1, ("transact2 2nd response contains too much data"));
+ cFYI(1, "transact2 2nd response contains too much data");
}
/* find end of first SMB data area */
@@ -311,7 +312,7 @@ static int coalesce_t2(struct smb_hdr *psecond, struct smb_hdr *pTargetSMB)
pTargetSMB->smb_buf_length = byte_count;
if (remaining == total_in_buf2) {
- cFYI(1, ("found the last secondary response"));
+ cFYI(1, "found the last secondary response");
return 0; /* we are done */
} else /* more responses to go */
return 1;
@@ -339,7 +340,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
int reconnect;
current->flags |= PF_MEMALLOC;
- cFYI(1, ("Demultiplex PID: %d", task_pid_nr(current)));
+ cFYI(1, "Demultiplex PID: %d", task_pid_nr(current));
length = atomic_inc_return(&tcpSesAllocCount);
if (length > 1)
@@ -353,7 +354,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
if (bigbuf == NULL) {
bigbuf = cifs_buf_get();
if (!bigbuf) {
- cERROR(1, ("No memory for large SMB response"));
+ cERROR(1, "No memory for large SMB response");
msleep(3000);
/* retry will check if exiting */
continue;
@@ -366,7 +367,7 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
if (smallbuf == NULL) {
smallbuf = cifs_small_buf_get();
if (!smallbuf) {
- cERROR(1, ("No memory for SMB response"));
+ cERROR(1, "No memory for SMB response");
msleep(1000);
/* retry will check if exiting */
continue;
@@ -391,9 +392,9 @@ incomplete_rcv:
if (server->tcpStatus == CifsExiting) {
break;
} else if (server->tcpStatus == CifsNeedReconnect) {
- cFYI(1, ("Reconnect after server stopped responding"));
+ cFYI(1, "Reconnect after server stopped responding");
cifs_reconnect(server);
- cFYI(1, ("call to reconnect done"));
+ cFYI(1, "call to reconnect done");
csocket = server->ssocket;
continue;
} else if ((length == -ERESTARTSYS) || (length == -EAGAIN)) {
@@ -411,7 +412,7 @@ incomplete_rcv:
continue;
} else if (length <= 0) {
if (server->tcpStatus == CifsNew) {
- cFYI(1, ("tcp session abend after SMBnegprot"));
+ cFYI(1, "tcp session abend after SMBnegprot");
/* some servers kill the TCP session rather than
returning an SMB negprot error, in which
case reconnecting here is not going to help,
@@ -419,18 +420,18 @@ incomplete_rcv:
break;
}
if (!try_to_freeze() && (length == -EINTR)) {
- cFYI(1, ("cifsd thread killed"));
+ cFYI(1, "cifsd thread killed");
break;
}
- cFYI(1, ("Reconnect after unexpected peek error %d",
- length));
+ cFYI(1, "Reconnect after unexpected peek error %d",
+ length);
cifs_reconnect(server);
csocket = server->ssocket;
wake_up(&server->response_q);
continue;
} else if (length < pdu_length) {
- cFYI(1, ("requested %d bytes but only got %d bytes",
- pdu_length, length));
+ cFYI(1, "requested %d bytes but only got %d bytes",
+ pdu_length, length);
pdu_length -= length;
msleep(1);
goto incomplete_rcv;
@@ -450,18 +451,18 @@ incomplete_rcv:
pdu_length = be32_to_cpu((__force __be32)smb_buffer->smb_buf_length);
smb_buffer->smb_buf_length = pdu_length;
- cFYI(1, ("rfc1002 length 0x%x", pdu_length+4));
+ cFYI(1, "rfc1002 length 0x%x", pdu_length+4);
if (temp == (char) RFC1002_SESSION_KEEP_ALIVE) {
continue;
} else if (temp == (char)RFC1002_POSITIVE_SESSION_RESPONSE) {
- cFYI(1, ("Good RFC 1002 session rsp"));
+ cFYI(1, "Good RFC 1002 session rsp");
continue;
} else if (temp == (char)RFC1002_NEGATIVE_SESSION_RESPONSE) {
/* we get this from Windows 98 instead of
an error on SMB negprot response */
- cFYI(1, ("Negative RFC1002 Session Response Error 0x%x)",
- pdu_length));
+ cFYI(1, "Negative RFC1002 Session Response Error 0x%x)",
+ pdu_length);
if (server->tcpStatus == CifsNew) {
/* if nack on negprot (rather than
ret of smb negprot error) reconnecting
@@ -484,7 +485,7 @@ incomplete_rcv:
continue;
}
} else if (temp != (char) 0) {
- cERROR(1, ("Unknown RFC 1002 frame"));
+ cERROR(1, "Unknown RFC 1002 frame");
cifs_dump_mem(" Received Data: ", (char *)smb_buffer,
length);
cifs_reconnect(server);
@@ -495,8 +496,8 @@ incomplete_rcv:
/* else we have an SMB response */
if ((pdu_length > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) ||
(pdu_length < sizeof(struct smb_hdr) - 1 - 4)) {
- cERROR(1, ("Invalid size SMB length %d pdu_length %d",
- length, pdu_length+4));
+ cERROR(1, "Invalid size SMB length %d pdu_length %d",
+ length, pdu_length+4);
cifs_reconnect(server);
csocket = server->ssocket;
wake_up(&server->response_q);
@@ -539,8 +540,8 @@ incomplete_rcv:
length = 0;
continue;
} else if (length <= 0) {
- cERROR(1, ("Received no data, expecting %d",
- pdu_length - total_read));
+ cERROR(1, "Received no data, expecting %d",
+ pdu_length - total_read);
cifs_reconnect(server);
csocket = server->ssocket;
reconnect = 1;
@@ -588,7 +589,7 @@ incomplete_rcv:
}
} else {
if (!isLargeBuf) {
- cERROR(1,("1st trans2 resp needs bigbuf"));
+ cERROR(1, "1st trans2 resp needs bigbuf");
/* BB maybe we can fix this up, switch
to already allocated large buffer? */
} else {
@@ -630,8 +631,8 @@ multi_t2_fnd:
wake_up_process(task_to_wake);
} else if (!is_valid_oplock_break(smb_buffer, server) &&
!isMultiRsp) {
- cERROR(1, ("No task to wake, unknown frame received! "
- "NumMids %d", midCount.counter));
+ cERROR(1, "No task to wake, unknown frame received! "
+ "NumMids %d", midCount.counter);
cifs_dump_mem("Received Data is: ", (char *)smb_buffer,
sizeof(struct smb_hdr));
#ifdef CONFIG_CIFS_DEBUG2
@@ -708,8 +709,8 @@ multi_t2_fnd:
list_for_each(tmp, &server->pending_mid_q) {
mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
if (mid_entry->midState == MID_REQUEST_SUBMITTED) {
- cFYI(1, ("Clearing Mid 0x%x - waking up ",
- mid_entry->mid));
+ cFYI(1, "Clearing Mid 0x%x - waking up ",
+ mid_entry->mid);
task_to_wake = mid_entry->tsk;
if (task_to_wake)
wake_up_process(task_to_wake);
@@ -728,7 +729,7 @@ multi_t2_fnd:
to wait at least 45 seconds before giving up
on a request getting a response and going ahead
and killing cifsd */
- cFYI(1, ("Wait for exit from demultiplex thread"));
+ cFYI(1, "Wait for exit from demultiplex thread");
msleep(46000);
/* if threads still have not exited they are probably never
coming home not much else we can do but free the memory */
@@ -849,7 +850,7 @@ cifs_parse_mount_options(char *options, const char *devname,
separator[0] = options[4];
options += 5;
} else {
- cFYI(1, ("Null separator not allowed"));
+ cFYI(1, "Null separator not allowed");
}
}
@@ -974,7 +975,7 @@ cifs_parse_mount_options(char *options, const char *devname,
}
} else if (strnicmp(data, "sec", 3) == 0) {
if (!value || !*value) {
- cERROR(1, ("no security value specified"));
+ cERROR(1, "no security value specified");
continue;
} else if (strnicmp(value, "krb5i", 5) == 0) {
vol->secFlg |= CIFSSEC_MAY_KRB5 |
@@ -982,7 +983,7 @@ cifs_parse_mount_options(char *options, const char *devname,
} else if (strnicmp(value, "krb5p", 5) == 0) {
/* vol->secFlg |= CIFSSEC_MUST_SEAL |
CIFSSEC_MAY_KRB5; */
- cERROR(1, ("Krb5 cifs privacy not supported"));
+ cERROR(1, "Krb5 cifs privacy not supported");
return 1;
} else if (strnicmp(value, "krb5", 4) == 0) {
vol->secFlg |= CIFSSEC_MAY_KRB5;
@@ -1014,7 +1015,7 @@ cifs_parse_mount_options(char *options, const char *devname,
} else if (strnicmp(value, "none", 4) == 0) {
vol->nullauth = 1;
} else {
- cERROR(1, ("bad security option: %s", value));
+ cERROR(1, "bad security option: %s", value);
return 1;
}
} else if ((strnicmp(data, "unc", 3) == 0)
@@ -1053,7 +1054,7 @@ cifs_parse_mount_options(char *options, const char *devname,
a domain name and need special handling? */
if (strnlen(value, 256) < 256) {
vol->domainname = value;
- cFYI(1, ("Domain name set"));
+ cFYI(1, "Domain name set");
} else {
printk(KERN_WARNING "CIFS: domain name too "
"long\n");
@@ -1076,7 +1077,7 @@ cifs_parse_mount_options(char *options, const char *devname,
strcpy(vol->prepath+1, value);
} else
strcpy(vol->prepath, value);
- cFYI(1, ("prefix path %s", vol->prepath));
+ cFYI(1, "prefix path %s", vol->prepath);
} else {
printk(KERN_WARNING "CIFS: prefix too long\n");
return 1;
@@ -1092,7 +1093,7 @@ cifs_parse_mount_options(char *options, const char *devname,
vol->iocharset = value;
/* if iocharset not set then load_nls_default
is used by caller */
- cFYI(1, ("iocharset set to %s", value));
+ cFYI(1, "iocharset set to %s", value);
} else {
printk(KERN_WARNING "CIFS: iocharset name "
"too long.\n");
@@ -1144,14 +1145,14 @@ cifs_parse_mount_options(char *options, const char *devname,
}
} else if (strnicmp(data, "sockopt", 5) == 0) {
if (!value || !*value) {
- cERROR(1, ("no socket option specified"));
+ cERROR(1, "no socket option specified");
continue;
} else if (strnicmp(value, "TCP_NODELAY", 11) == 0) {
vol->sockopt_tcp_nodelay = 1;
}
} else if (strnicmp(data, "netbiosname", 4) == 0) {
if (!value || !*value || (*value == ' ')) {
- cFYI(1, ("invalid (empty) netbiosname"));
+ cFYI(1, "invalid (empty) netbiosname");
} else {
memset(vol->source_rfc1001_name, 0x20, 15);
for (i = 0; i < 15; i++) {
@@ -1175,7 +1176,7 @@ cifs_parse_mount_options(char *options, const char *devname,
} else if (strnicmp(data, "servern", 7) == 0) {
/* servernetbiosname specified override *SMBSERVER */
if (!value || !*value || (*value == ' ')) {
- cFYI(1, ("empty server netbiosname specified"));
+ cFYI(1, "empty server netbiosname specified");
} else {
/* last byte, type, is 0x20 for servr type */
memset(vol->target_rfc1001_name, 0x20, 16);
@@ -1434,7 +1435,7 @@ cifs_find_tcp_session(struct sockaddr_storage *addr, unsigned short int port)
++server->srv_count;
write_unlock(&cifs_tcp_ses_lock);
- cFYI(1, ("Existing tcp session with server found"));
+ cFYI(1, "Existing tcp session with server found");
return server;
}
write_unlock(&cifs_tcp_ses_lock);
@@ -1475,7 +1476,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
memset(&addr, 0, sizeof(struct sockaddr_storage));
- cFYI(1, ("UNC: %s ip: %s", volume_info->UNC, volume_info->UNCip));
+ cFYI(1, "UNC: %s ip: %s", volume_info->UNC, volume_info->UNCip);
if (volume_info->UNCip && volume_info->UNC) {
rc = cifs_convert_address(volume_info->UNCip, &addr);
@@ -1487,13 +1488,12 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
} else if (volume_info->UNCip) {
/* BB using ip addr as tcp_ses name to connect to the
DFS root below */
- cERROR(1, ("Connecting to DFS root not implemented yet"));
+ cERROR(1, "Connecting to DFS root not implemented yet");
rc = -EINVAL;
goto out_err;
} else /* which tcp_sess DFS root would we conect to */ {
- cERROR(1,
- ("CIFS mount error: No UNC path (e.g. -o "
- "unc=//192.168.1.100/public) specified"));
+ cERROR(1, "CIFS mount error: No UNC path (e.g. -o "
+ "unc=//192.168.1.100/public) specified");
rc = -EINVAL;
goto out_err;
}
@@ -1540,7 +1540,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
++tcp_ses->srv_count;
if (addr.ss_family == AF_INET6) {
- cFYI(1, ("attempting ipv6 connect"));
+ cFYI(1, "attempting ipv6 connect");
/* BB should we allow ipv6 on port 139? */
/* other OS never observed in Wild doing 139 with v6 */
sin_server6->sin6_port = htons(volume_info->port);
@@ -1554,7 +1554,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
rc = ipv4_connect(tcp_ses);
}
if (rc < 0) {
- cERROR(1, ("Error connecting to socket. Aborting operation"));
+ cERROR(1, "Error connecting to socket. Aborting operation");
goto out_err;
}
@@ -1567,7 +1567,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
tcp_ses, "cifsd");
if (IS_ERR(tcp_ses->tsk)) {
rc = PTR_ERR(tcp_ses->tsk);
- cERROR(1, ("error %d create cifsd thread", rc));
+ cERROR(1, "error %d create cifsd thread", rc);
module_put(THIS_MODULE);
goto out_err;
}
@@ -1616,6 +1616,7 @@ cifs_put_smb_ses(struct cifsSesInfo *ses)
int xid;
struct TCP_Server_Info *server = ses->server;
+ cFYI(1, "%s: ses_count=%d\n", __func__, ses->ses_count);
write_lock(&cifs_tcp_ses_lock);
if (--ses->ses_count > 0) {
write_unlock(&cifs_tcp_ses_lock);
@@ -1634,6 +1635,102 @@ cifs_put_smb_ses(struct cifsSesInfo *ses)
cifs_put_tcp_session(server);
}
+static struct cifsSesInfo *
+cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
+{
+ int rc = -ENOMEM, xid;
+ struct cifsSesInfo *ses;
+
+ xid = GetXid();
+
+ ses = cifs_find_smb_ses(server, volume_info->username);
+ if (ses) {
+ cFYI(1, "Existing smb sess found (status=%d)", ses->status);
+
+ /* existing SMB ses has a server reference already */
+ cifs_put_tcp_session(server);
+
+ mutex_lock(&ses->session_mutex);
+ rc = cifs_negotiate_protocol(xid, ses);
+ if (rc) {
+ mutex_unlock(&ses->session_mutex);
+ /* problem -- put our ses reference */
+ cifs_put_smb_ses(ses);
+ FreeXid(xid);
+ return ERR_PTR(rc);
+ }
+ if (ses->need_reconnect) {
+ cFYI(1, "Session needs reconnect");
+ rc = cifs_setup_session(xid, ses,
+ volume_info->local_nls);
+ if (rc) {
+ mutex_unlock(&ses->session_mutex);
+ /* problem -- put our reference */
+ cifs_put_smb_ses(ses);
+ FreeXid(xid);
+ return ERR_PTR(rc);
+ }
+ }
+ mutex_unlock(&ses->session_mutex);
+ FreeXid(xid);
+ return ses;
+ }
+
+ cFYI(1, "Existing smb sess not found");
+ ses = sesInfoAlloc();
+ if (ses == NULL)
+ goto get_ses_fail;
+
+ /* new SMB session uses our server ref */
+ ses->server = server;
+ if (server->addr.sockAddr6.sin6_family == AF_INET6)
+ sprintf(ses->serverName, "%pI6",
+ &server->addr.sockAddr6.sin6_addr);
+ else
+ sprintf(ses->serverName, "%pI4",
+ &server->addr.sockAddr.sin_addr.s_addr);
+
+ if (volume_info->username)
+ strncpy(ses->userName, volume_info->username,
+ MAX_USERNAME_SIZE);
+
+ /* volume_info->password freed at unmount */
+ if (volume_info->password) {
+ ses->password = kstrdup(volume_info->password, GFP_KERNEL);
+ if (!ses->password)
+ goto get_ses_fail;
+ }
+ if (volume_info->domainname) {
+ int len = strlen(volume_info->domainname);
+ ses->domainName = kmalloc(len + 1, GFP_KERNEL);
+ if (ses->domainName)
+ strcpy(ses->domainName, volume_info->domainname);
+ }
+ ses->linux_uid = volume_info->linux_uid;
+ ses->overrideSecFlg = volume_info->secFlg;
+
+ mutex_lock(&ses->session_mutex);
+ rc = cifs_negotiate_protocol(xid, ses);
+ if (!rc)
+ rc = cifs_setup_session(xid, ses, volume_info->local_nls);
+ mutex_unlock(&ses->session_mutex);
+ if (rc)
+ goto get_ses_fail;
+
+ /* success, put it on the list */
+ write_lock(&cifs_tcp_ses_lock);
+ list_add(&ses->smb_ses_list, &server->smb_ses_list);
+ write_unlock(&cifs_tcp_ses_lock);
+
+ FreeXid(xid);
+ return ses;
+
+get_ses_fail:
+ sesInfoFree(ses);
+ FreeXid(xid);
+ return ERR_PTR(rc);
+}
+
static struct cifsTconInfo *
cifs_find_tcon(struct cifsSesInfo *ses, const char *unc)
{
@@ -1662,6 +1759,7 @@ cifs_put_tcon(struct cifsTconInfo *tcon)
int xid;
struct cifsSesInfo *ses = tcon->ses;
+ cFYI(1, "%s: tc_count=%d\n", __func__, tcon->tc_count);
write_lock(&cifs_tcp_ses_lock);
if (--tcon->tc_count > 0) {
write_unlock(&cifs_tcp_ses_lock);
@@ -1679,6 +1777,80 @@ cifs_put_tcon(struct cifsTconInfo *tcon)
cifs_put_smb_ses(ses);
}
+static struct cifsTconInfo *
+cifs_get_tcon(struct cifsSesInfo *ses, struct smb_vol *volume_info)
+{
+ int rc, xid;
+ struct cifsTconInfo *tcon;
+
+ tcon = cifs_find_tcon(ses, volume_info->UNC);
+ if (tcon) {
+ cFYI(1, "Found match on UNC path");
+ /* existing tcon already has a reference */
+ cifs_put_smb_ses(ses);
+ if (tcon->seal != volume_info->seal)
+ cERROR(1, "transport encryption setting "
+ "conflicts with existing tid");
+ return tcon;
+ }
+
+ tcon = tconInfoAlloc();
+ if (tcon == NULL) {
+ rc = -ENOMEM;
+ goto out_fail;
+ }
+
+ tcon->ses = ses;
+ if (volume_info->password) {
+ tcon->password = kstrdup(volume_info->password, GFP_KERNEL);
+ if (!tcon->password) {
+ rc = -ENOMEM;
+ goto out_fail;
+ }
+ }
+
+ if (strchr(volume_info->UNC + 3, '\\') == NULL
+ && strchr(volume_info->UNC + 3, '/') == NULL) {
+ cERROR(1, "Missing share name");
+ rc = -ENODEV;
+ goto out_fail;
+ }
+
+ /* BB Do we need to wrap session_mutex around
+ * this TCon call and Unix SetFS as
+ * we do on SessSetup and reconnect? */
+ xid = GetXid();
+ rc = CIFSTCon(xid, ses, volume_info->UNC, tcon, volume_info->local_nls);
+ FreeXid(xid);
+ cFYI(1, "CIFS Tcon rc = %d", rc);
+ if (rc)
+ goto out_fail;
+
+ if (volume_info->nodfs) {
+ tcon->Flags &= ~SMB_SHARE_IS_IN_DFS;
+ cFYI(1, "DFS disabled (%d)", tcon->Flags);
+ }
+ tcon->seal = volume_info->seal;
+ /* we can have only one retry value for a connection
+ to a share so for resources mounted more than once
+ to the same server share the last value passed in
+ for the retry flag is used */
+ tcon->retry = volume_info->retry;
+ tcon->nocase = volume_info->nocase;
+ tcon->local_lease = volume_info->local_lease;
+
+ write_lock(&cifs_tcp_ses_lock);
+ list_add(&tcon->tcon_list, &ses->tcon_list);
+ write_unlock(&cifs_tcp_ses_lock);
+
+ return tcon;
+
+out_fail:
+ tconInfoFree(tcon);
+ return ERR_PTR(rc);
+}
+
+
int
get_dfs_path(int xid, struct cifsSesInfo *pSesInfo, const char *old_path,
const struct nls_table *nls_codepage, unsigned int *pnum_referrals,
@@ -1703,8 +1875,7 @@ get_dfs_path(int xid, struct cifsSesInfo *pSesInfo, const char *old_path,
strcpy(temp_unc + 2, pSesInfo->serverName);
strcpy(temp_unc + 2 + strlen(pSesInfo->serverName), "\\IPC$");
rc = CIFSTCon(xid, pSesInfo, temp_unc, NULL, nls_codepage);
- cFYI(1,
- ("CIFS Tcon rc = %d ipc_tid = %d", rc, pSesInfo->ipc_tid));
+ cFYI(1, "CIFS Tcon rc = %d ipc_tid = %d", rc, pSesInfo->ipc_tid);
kfree(temp_unc);
}
if (rc == 0)
@@ -1777,12 +1948,12 @@ ipv4_connect(struct TCP_Server_Info *server)
rc = sock_create_kern(PF_INET, SOCK_STREAM,
IPPROTO_TCP, &socket);
if (rc < 0) {
- cERROR(1, ("Error %d creating socket", rc));
+ cERROR(1, "Error %d creating socket", rc);
return rc;
}
/* BB other socket options to set KEEPALIVE, NODELAY? */
- cFYI(1, ("Socket created"));
+ cFYI(1, "Socket created");
server->ssocket = socket;
socket->sk->sk_allocation = GFP_NOFS;
cifs_reclassify_socket4(socket);
@@ -1827,7 +1998,7 @@ ipv4_connect(struct TCP_Server_Info *server)
if (!connected) {
if (orig_port)
server->addr.sockAddr.sin_port = orig_port;
- cFYI(1, ("Error %d connecting to server via ipv4", rc));
+ cFYI(1, "Error %d connecting to server via ipv4", rc);
sock_release(socket);
server->ssocket = NULL;
return rc;
@@ -1855,12 +2026,12 @@ ipv4_connect(struct TCP_Server_Info *server)
rc = kernel_setsockopt(socket, SOL_TCP, TCP_NODELAY,
(char *)&val, sizeof(val));
if (rc)
- cFYI(1, ("set TCP_NODELAY socket option error %d", rc));
+ cFYI(1, "set TCP_NODELAY socket option error %d", rc);
}
- cFYI(1, ("sndbuf %d rcvbuf %d rcvtimeo 0x%lx",
+ cFYI(1, "sndbuf %d rcvbuf %d rcvtimeo 0x%lx",
socket->sk->sk_sndbuf,
- socket->sk->sk_rcvbuf, socket->sk->sk_rcvtimeo));
+ socket->sk->sk_rcvbuf, socket->sk->sk_rcvtimeo);
/* send RFC1001 sessinit */
if (server->addr.sockAddr.sin_port == htons(RFC1001_PORT)) {
@@ -1938,13 +2109,13 @@ ipv6_connect(struct TCP_Server_Info *server)
rc = sock_create_kern(PF_INET6, SOCK_STREAM,
IPPROTO_TCP, &socket);
if (rc < 0) {
- cERROR(1, ("Error %d creating ipv6 socket", rc));
+ cERROR(1, "Error %d creating ipv6 socket", rc);
socket = NULL;
return rc;
}
/* BB other socket options to set KEEPALIVE, NODELAY? */
- cFYI(1, ("ipv6 Socket created"));
+ cFYI(1, "ipv6 Socket created");
server->ssocket = socket;
socket->sk->sk_allocation = GFP_NOFS;
cifs_reclassify_socket6(socket);
@@ -1988,7 +2159,7 @@ ipv6_connect(struct TCP_Server_Info *server)
if (!connected) {
if (orig_port)
server->addr.sockAddr6.sin6_port = orig_port;
- cFYI(1, ("Error %d connecting to server via ipv6", rc));
+ cFYI(1, "Error %d connecting to server via ipv6", rc);
sock_release(socket);
server->ssocket = NULL;
return rc;
@@ -2007,7 +2178,7 @@ ipv6_connect(struct TCP_Server_Info *server)
rc = kernel_setsockopt(socket, SOL_TCP, TCP_NODELAY,
(char *)&val, sizeof(val));
if (rc)
- cFYI(1, ("set TCP_NODELAY socket option error %d", rc));
+ cFYI(1, "set TCP_NODELAY socket option error %d", rc);
}
server->ssocket = socket;
@@ -2032,13 +2203,13 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
if (vol_info && vol_info->no_linux_ext) {
tcon->fsUnixInfo.Capability = 0;
tcon->unix_ext = 0; /* Unix Extensions disabled */
- cFYI(1, ("Linux protocol extensions disabled"));
+ cFYI(1, "Linux protocol extensions disabled");
return;
} else if (vol_info)
tcon->unix_ext = 1; /* Unix Extensions supported */
if (tcon->unix_ext == 0) {
- cFYI(1, ("Unix extensions disabled so not set on reconnect"));
+ cFYI(1, "Unix extensions disabled so not set on reconnect");
return;
}
@@ -2054,12 +2225,11 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
cap &= ~CIFS_UNIX_POSIX_ACL_CAP;
if ((saved_cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) == 0) {
if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP)
- cERROR(1, ("POSIXPATH support change"));
+ cERROR(1, "POSIXPATH support change");
cap &= ~CIFS_UNIX_POSIX_PATHNAMES_CAP;
} else if ((cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) == 0) {
- cERROR(1, ("possible reconnect error"));
- cERROR(1,
- ("server disabled POSIX path support"));
+ cERROR(1, "possible reconnect error");
+ cERROR(1, "server disabled POSIX path support");
}
}
@@ -2067,7 +2237,7 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
if (vol_info && vol_info->no_psx_acl)
cap &= ~CIFS_UNIX_POSIX_ACL_CAP;
else if (CIFS_UNIX_POSIX_ACL_CAP & cap) {
- cFYI(1, ("negotiated posix acl support"));
+ cFYI(1, "negotiated posix acl support");
if (sb)
sb->s_flags |= MS_POSIXACL;
}
@@ -2075,7 +2245,7 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
if (vol_info && vol_info->posix_paths == 0)
cap &= ~CIFS_UNIX_POSIX_PATHNAMES_CAP;
else if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP) {
- cFYI(1, ("negotiate posix pathnames"));
+ cFYI(1, "negotiate posix pathnames");
if (sb)
CIFS_SB(sb)->mnt_cifs_flags |=
CIFS_MOUNT_POSIX_PATHS;
@@ -2090,39 +2260,38 @@ void reset_cifs_unix_caps(int xid, struct cifsTconInfo *tcon,
if (sb && (CIFS_SB(sb)->rsize > 127 * 1024)) {
if ((cap & CIFS_UNIX_LARGE_READ_CAP) == 0) {
CIFS_SB(sb)->rsize = 127 * 1024;
- cFYI(DBG2,
- ("larger reads not supported by srv"));
+ cFYI(DBG2, "larger reads not supported by srv");
}
}
- cFYI(1, ("Negotiate caps 0x%x", (int)cap));
+ cFYI(1, "Negotiate caps 0x%x", (int)cap);
#ifdef CONFIG_CIFS_DEBUG2
if (cap & CIFS_UNIX_FCNTL_CAP)
- cFYI(1, ("FCNTL cap"));
+ cFYI(1, "FCNTL cap");
if (cap & CIFS_UNIX_EXTATTR_CAP)
- cFYI(1, ("EXTATTR cap"));
+ cFYI(1, "EXTATTR cap");
if (cap & CIFS_UNIX_POSIX_PATHNAMES_CAP)
- cFYI(1, ("POSIX path cap"));
+ cFYI(1, "POSIX path cap");
if (cap & CIFS_UNIX_XATTR_CAP)
- cFYI(1, ("XATTR cap"));
+ cFYI(1, "XATTR cap");
if (cap & CIFS_UNIX_POSIX_ACL_CAP)
- cFYI(1, ("POSIX ACL cap"));
+ cFYI(1, "POSIX ACL cap");
if (cap & CIFS_UNIX_LARGE_READ_CAP)
- cFYI(1, ("very large read cap"));
+ cFYI(1, "very large read cap");
if (cap & CIFS_UNIX_LARGE_WRITE_CAP)
- cFYI(1, ("very large write cap"));
+ cFYI(1, "very large write cap");
#endif /* CIFS_DEBUG2 */
if (CIFSSMBSetFSUnixInfo(xid, tcon, cap)) {
if (vol_info == NULL) {
- cFYI(1, ("resetting capabilities failed"));
+ cFYI(1, "resetting capabilities failed");
} else
- cERROR(1, ("Negotiating Unix capabilities "
+ cERROR(1, "Negotiating Unix capabilities "
"with the server failed. Consider "
"mounting with the Unix Extensions\n"
"disabled, if problems are found, "
"by specifying the nounix mount "
- "option."));
+ "option.");
}
}
@@ -2152,8 +2321,8 @@ static void setup_cifs_sb(struct smb_vol *pvolume_info,
struct cifs_sb_info *cifs_sb)
{
if (pvolume_info->rsize > CIFSMaxBufSize) {
- cERROR(1, ("rsize %d too large, using MaxBufSize",
- pvolume_info->rsize));
+ cERROR(1, "rsize %d too large, using MaxBufSize",
+ pvolume_info->rsize);
cifs_sb->rsize = CIFSMaxBufSize;
} else if ((pvolume_info->rsize) &&
(pvolume_info->rsize <= CIFSMaxBufSize))
@@ -2162,8 +2331,8 @@ static void setup_cifs_sb(struct smb_vol *pvolume_info,
cifs_sb->rsize = CIFSMaxBufSize;
if (pvolume_info->wsize > PAGEVEC_SIZE * PAGE_CACHE_SIZE) {
- cERROR(1, ("wsize %d too large, using 4096 instead",
- pvolume_info->wsize));
+ cERROR(1, "wsize %d too large, using 4096 instead",
+ pvolume_info->wsize);
cifs_sb->wsize = 4096;
} else if (pvolume_info->wsize)
cifs_sb->wsize = pvolume_info->wsize;
@@ -2181,7 +2350,7 @@ static void setup_cifs_sb(struct smb_vol *pvolume_info,
if (cifs_sb->rsize < 2048) {
cifs_sb->rsize = 2048;
/* Windows ME may prefer this */
- cFYI(1, ("readsize set to minimum: 2048"));
+ cFYI(1, "readsize set to minimum: 2048");
}
/* calculate prepath */
cifs_sb->prepath = pvolume_info->prepath;
@@ -2199,8 +2368,8 @@ static void setup_cifs_sb(struct smb_vol *pvolume_info,
cifs_sb->mnt_gid = pvolume_info->linux_gid;
cifs_sb->mnt_file_mode = pvolume_info->file_mode;
cifs_sb->mnt_dir_mode = pvolume_info->dir_mode;
- cFYI(1, ("file mode: 0x%x dir mode: 0x%x",
- cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode));
+ cFYI(1, "file mode: 0x%x dir mode: 0x%x",
+ cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode);
if (pvolume_info->noperm)
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_NO_PERM;
@@ -2229,13 +2398,13 @@ static void setup_cifs_sb(struct smb_vol *pvolume_info,
if (pvolume_info->dynperm)
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DYNPERM;
if (pvolume_info->direct_io) {
- cFYI(1, ("mounting share using direct i/o"));
+ cFYI(1, "mounting share using direct i/o");
cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_DIRECT_IO;
}
if ((pvolume_info->cifs_acl) && (pvolume_info->dynperm))
- cERROR(1, ("mount option dynperm ignored if cifsacl "
- "mount option supported"));
+ cERROR(1, "mount option dynperm ignored if cifsacl "
+ "mount option supported");
}
static int
@@ -2262,7 +2431,7 @@ cleanup_volume_info(struct smb_vol **pvolume_info)
{
struct smb_vol *volume_info;
- if (!pvolume_info && !*pvolume_info)
+ if (!pvolume_info || !*pvolume_info)
return;
volume_info = *pvolume_info;
@@ -2344,11 +2513,11 @@ try_mount_again:
}
if (volume_info->nullauth) {
- cFYI(1, ("null user"));
+ cFYI(1, "null user");
volume_info->username = "";
} else if (volume_info->username) {
/* BB fixme parse for domain name here */
- cFYI(1, ("Username: %s", volume_info->username));
+ cFYI(1, "Username: %s", volume_info->username);
} else {
cifserror("No username specified");
/* In userspace mount helper we can get user name from alternate
@@ -2357,20 +2526,20 @@ try_mount_again:
goto out;
}
-
/* this is needed for ASCII cp to Unicode converts */
if (volume_info->iocharset == NULL) {
- cifs_sb->local_nls = load_nls_default();
- /* load_nls_default can not return null */
+ /* load_nls_default cannot return null */
+ volume_info->local_nls = load_nls_default();
} else {
- cifs_sb->local_nls = load_nls(volume_info->iocharset);
- if (cifs_sb->local_nls == NULL) {
- cERROR(1, ("CIFS mount error: iocharset %s not found",
- volume_info->iocharset));
+ volume_info->local_nls = load_nls(volume_info->iocharset);
+ if (volume_info->local_nls == NULL) {
+ cERROR(1, "CIFS mount error: iocharset %s not found",
+ volume_info->iocharset);
rc = -ELIBACC;
goto out;
}
}
+ cifs_sb->local_nls = volume_info->local_nls;
/* get a reference to a tcp session */
srvTcp = cifs_get_tcp_session(volume_info);
@@ -2379,148 +2548,30 @@ try_mount_again:
goto out;
}
- pSesInfo = cifs_find_smb_ses(srvTcp, volume_info->username);
- if (pSesInfo) {
- cFYI(1, ("Existing smb sess found (status=%d)",
- pSesInfo->status));
- /*
- * The existing SMB session already has a reference to srvTcp,
- * so we can put back the extra one we got before
- */
- cifs_put_tcp_session(srvTcp);
-
- mutex_lock(&pSesInfo->session_mutex);
- if (pSesInfo->need_reconnect) {
- cFYI(1, ("Session needs reconnect"));
- rc = cifs_setup_session(xid, pSesInfo,
- cifs_sb->local_nls);
- }
- mutex_unlock(&pSesInfo->session_mutex);
- } else if (!rc) {
- cFYI(1, ("Existing smb sess not found"));
- pSesInfo = sesInfoAlloc();
- if (pSesInfo == NULL) {
- rc = -ENOMEM;
- goto mount_fail_check;
- }
-
- /* new SMB session uses our srvTcp ref */
- pSesInfo->server = srvTcp;
- if (srvTcp->addr.sockAddr6.sin6_family == AF_INET6)
- sprintf(pSesInfo->serverName, "%pI6",
- &srvTcp->addr.sockAddr6.sin6_addr);
- else
- sprintf(pSesInfo->serverName, "%pI4",
- &srvTcp->addr.sockAddr.sin_addr.s_addr);
-
- write_lock(&cifs_tcp_ses_lock);
- list_add(&pSesInfo->smb_ses_list, &srvTcp->smb_ses_list);
- write_unlock(&cifs_tcp_ses_lock);
-
- /* volume_info->password freed at unmount */
- if (volume_info->password) {
- pSesInfo->password = kstrdup(volume_info->password,
- GFP_KERNEL);
- if (!pSesInfo->password) {
- rc = -ENOMEM;
- goto mount_fail_check;
- }
- }
- if (volume_info->username)
- strncpy(pSesInfo->userName, volume_info->username,
- MAX_USERNAME_SIZE);
- if (volume_info->domainname) {
- int len = strlen(volume_info->domainname);
- pSesInfo->domainName = kmalloc(len + 1, GFP_KERNEL);
- if (pSesInfo->domainName)
- strcpy(pSesInfo->domainName,
- volume_info->domainname);
- }
- pSesInfo->linux_uid = volume_info->linux_uid;
- pSesInfo->overrideSecFlg = volume_info->secFlg;
- mutex_lock(&pSesInfo->session_mutex);
-
- /* BB FIXME need to pass vol->secFlgs BB */
- rc = cifs_setup_session(xid, pSesInfo,
- cifs_sb->local_nls);
- mutex_unlock(&pSesInfo->session_mutex);
+ /* get a reference to a SMB session */
+ pSesInfo = cifs_get_smb_ses(srvTcp, volume_info);
+ if (IS_ERR(pSesInfo)) {
+ rc = PTR_ERR(pSesInfo);
+ pSesInfo = NULL;
+ goto mount_fail_check;
}
- /* search for existing tcon to this server share */
- if (!rc) {
- setup_cifs_sb(volume_info, cifs_sb);
-
- tcon = cifs_find_tcon(pSesInfo, volume_info->UNC);
- if (tcon) {
- cFYI(1, ("Found match on UNC path"));
- /* existing tcon already has a reference */
- cifs_put_smb_ses(pSesInfo);
- if (tcon->seal != volume_info->seal)
- cERROR(1, ("transport encryption setting "
- "conflicts with existing tid"));
- } else {
- tcon = tconInfoAlloc();
- if (tcon == NULL) {
- rc = -ENOMEM;
- goto mount_fail_check;
- }
-
- tcon->ses = pSesInfo;
- if (volume_info->password) {
- tcon->password = kstrdup(volume_info->password,
- GFP_KERNEL);
- if (!tcon->password) {
- rc = -ENOMEM;
- goto mount_fail_check;
- }
- }
-
- if ((strchr(volume_info->UNC + 3, '\\') == NULL)
- && (strchr(volume_info->UNC + 3, '/') == NULL)) {
- cERROR(1, ("Missing share name"));
- rc = -ENODEV;
- goto mount_fail_check;
- } else {
- /* BB Do we need to wrap sesSem around
- * this TCon call and Unix SetFS as
- * we do on SessSetup and reconnect? */
- rc = CIFSTCon(xid, pSesInfo, volume_info->UNC,
- tcon, cifs_sb->local_nls);
- cFYI(1, ("CIFS Tcon rc = %d", rc));
- if (volume_info->nodfs) {
- tcon->Flags &= ~SMB_SHARE_IS_IN_DFS;
- cFYI(1, ("DFS disabled (%d)",
- tcon->Flags));
- }
- }
- if (rc)
- goto remote_path_check;
- tcon->seal = volume_info->seal;
- write_lock(&cifs_tcp_ses_lock);
- list_add(&tcon->tcon_list, &pSesInfo->tcon_list);
- write_unlock(&cifs_tcp_ses_lock);
- }
-
- /* we can have only one retry value for a connection
- to a share so for resources mounted more than once
- to the same server share the last value passed in
- for the retry flag is used */
- tcon->retry = volume_info->retry;
- tcon->nocase = volume_info->nocase;
- tcon->local_lease = volume_info->local_lease;
- }
- if (pSesInfo) {
- if (pSesInfo->capabilities & CAP_LARGE_FILES)
- sb->s_maxbytes = MAX_LFS_FILESIZE;
- else
- sb->s_maxbytes = MAX_NON_LFS;
- }
+ setup_cifs_sb(volume_info, cifs_sb);
+ if (pSesInfo->capabilities & CAP_LARGE_FILES)
+ sb->s_maxbytes = MAX_LFS_FILESIZE;
+ else
+ sb->s_maxbytes = MAX_NON_LFS;
/* BB FIXME fix time_gran to be larger for LANMAN sessions */
sb->s_time_gran = 100;
- if (rc)
+ /* search for existing tcon to this server share */
+ tcon = cifs_get_tcon(pSesInfo, volume_info);
+ if (IS_ERR(tcon)) {
+ rc = PTR_ERR(tcon);
+ tcon = NULL;
goto remote_path_check;
+ }
cifs_sb->tcon = tcon;
@@ -2544,7 +2595,7 @@ try_mount_again:
if ((tcon->unix_ext == 0) && (cifs_sb->rsize > (1024 * 127))) {
cifs_sb->rsize = 1024 * 127;
- cFYI(DBG2, ("no very large read support, rsize now 127K"));
+ cFYI(DBG2, "no very large read support, rsize now 127K");
}
if (!(tcon->ses->capabilities & CAP_LARGE_WRITE_X))
cifs_sb->wsize = min(cifs_sb->wsize,
@@ -2593,7 +2644,7 @@ remote_path_check:
goto mount_fail_check;
}
- cFYI(1, ("Getting referral for: %s", full_path));
+ cFYI(1, "Getting referral for: %s", full_path);
rc = get_dfs_path(xid, pSesInfo , full_path + 1,
cifs_sb->local_nls, &num_referrals, &referrals,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
@@ -2707,7 +2758,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
by Samba (not sure whether other servers allow
NTLMv2 password here) */
#ifdef CONFIG_CIFS_WEAK_PW_HASH
- if ((extended_security & CIFSSEC_MAY_LANMAN) &&
+ if ((global_secflags & CIFSSEC_MAY_LANMAN) &&
(ses->server->secType == LANMAN))
calc_lanman_hash(tcon->password, ses->server->cryptKey,
ses->server->secMode &
@@ -2778,13 +2829,13 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
if (length == 3) {
if ((bcc_ptr[0] == 'I') && (bcc_ptr[1] == 'P') &&
(bcc_ptr[2] == 'C')) {
- cFYI(1, ("IPC connection"));
+ cFYI(1, "IPC connection");
tcon->ipc = 1;
}
} else if (length == 2) {
if ((bcc_ptr[0] == 'A') && (bcc_ptr[1] == ':')) {
/* the most common case */
- cFYI(1, ("disk share connection"));
+ cFYI(1, "disk share connection");
}
}
bcc_ptr += length + 1;
@@ -2797,7 +2848,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
bytes_left, is_unicode,
nls_codepage);
- cFYI(1, ("nativeFileSystem=%s", tcon->nativeFileSystem));
+ cFYI(1, "nativeFileSystem=%s", tcon->nativeFileSystem);
if ((smb_buffer_response->WordCount == 3) ||
(smb_buffer_response->WordCount == 7))
@@ -2805,7 +2856,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
tcon->Flags = le16_to_cpu(pSMBr->OptionalSupport);
else
tcon->Flags = 0;
- cFYI(1, ("Tcon flags: 0x%x ", tcon->Flags));
+ cFYI(1, "Tcon flags: 0x%x ", tcon->Flags);
} else if ((rc == 0) && tcon == NULL) {
/* all we need to save for IPC$ connection */
ses->ipc_tid = smb_buffer_response->Tid;
@@ -2833,57 +2884,61 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
return rc;
}
-int cifs_setup_session(unsigned int xid, struct cifsSesInfo *pSesInfo,
- struct nls_table *nls_info)
+int cifs_negotiate_protocol(unsigned int xid, struct cifsSesInfo *ses)
{
int rc = 0;
- int first_time = 0;
- struct TCP_Server_Info *server = pSesInfo->server;
-
- /* what if server changes its buffer size after dropping the session? */
- if (server->maxBuf == 0) /* no need to send on reconnect */ {
- rc = CIFSSMBNegotiate(xid, pSesInfo);
- if (rc == -EAGAIN) {
- /* retry only once on 1st time connection */
- rc = CIFSSMBNegotiate(xid, pSesInfo);
- if (rc == -EAGAIN)
- rc = -EHOSTDOWN;
- }
- if (rc == 0) {
- spin_lock(&GlobalMid_Lock);
- if (server->tcpStatus != CifsExiting)
- server->tcpStatus = CifsGood;
- else
- rc = -EHOSTDOWN;
- spin_unlock(&GlobalMid_Lock);
+ struct TCP_Server_Info *server = ses->server;
+
+ /* only send once per connect */
+ if (server->maxBuf != 0)
+ return 0;
+
+ rc = CIFSSMBNegotiate(xid, ses);
+ if (rc == -EAGAIN) {
+ /* retry only once on 1st time connection */
+ rc = CIFSSMBNegotiate(xid, ses);
+ if (rc == -EAGAIN)
+ rc = -EHOSTDOWN;
+ }
+ if (rc == 0) {
+ spin_lock(&GlobalMid_Lock);
+ if (server->tcpStatus != CifsExiting)
+ server->tcpStatus = CifsGood;
+ else
+ rc = -EHOSTDOWN;
+ spin_unlock(&GlobalMid_Lock);
- }
- first_time = 1;
}
- if (rc)
- goto ss_err_exit;
+ return rc;
+}
+
+
+int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses,
+ struct nls_table *nls_info)
+{
+ int rc = 0;
+ struct TCP_Server_Info *server = ses->server;
- pSesInfo->flags = 0;
- pSesInfo->capabilities = server->capabilities;
+ ses->flags = 0;
+ ses->capabilities = server->capabilities;
if (linuxExtEnabled == 0)
- pSesInfo->capabilities &= (~CAP_UNIX);
+ ses->capabilities &= (~CAP_UNIX);
- cFYI(1, ("Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d",
- server->secMode, server->capabilities, server->timeAdj));
+ cFYI(1, "Security Mode: 0x%x Capabilities: 0x%x TimeAdjust: %d",
+ server->secMode, server->capabilities, server->timeAdj);
- rc = CIFS_SessSetup(xid, pSesInfo, first_time, nls_info);
+ rc = CIFS_SessSetup(xid, ses, nls_info);
if (rc) {
- cERROR(1, ("Send error in SessSetup = %d", rc));
+ cERROR(1, "Send error in SessSetup = %d", rc);
} else {
- cFYI(1, ("CIFS Session Established successfully"));
+ cFYI(1, "CIFS Session Established successfully");
spin_lock(&GlobalMid_Lock);
- pSesInfo->status = CifsGood;
- pSesInfo->need_reconnect = false;
+ ses->status = CifsGood;
+ ses->need_reconnect = false;
spin_unlock(&GlobalMid_Lock);
}
-ss_err_exit:
return rc;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-19 05:34:22 +0100